Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

77°F

25°C

Humidity 22%
Wind Speed N 10 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 35°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 23 May 05:10 PM MDT
Extended Forecast for

4 Miles SSW East Thermopolis WY

  • Tonight

    Tonight: Partly cloudy, with a low around 48. West northwest wind 5 to 8 mph becoming south southwest after midnight.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Isolated showers and thunderstorms between 1pm and 4pm.  Mostly sunny, with a high near 81. South southwest wind 6 to 10 mph becoming west in the afternoon.  Chance of precipitation is 10%.

    High: 81 °F

    Sunny then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 50. South wind 6 to 8 mph.

    Low: 50 °F

    Decreasing
    Clouds

  • Memorial Day

    Memorial Day: Sunny, with a high near 86. South wind 5 to 8 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind 6 to 8 mph becoming west in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Breezy, with a south wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 86 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55. Breezy, with a south wind 13 to 18 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. West northwest wind 5 to 8 mph becoming south southwest after midnight.
Sunday
Isolated showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 81. South southwest wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 10%.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 50. South wind 6 to 8 mph.
Memorial Day
Sunny, with a high near 86. South wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 55. South wind 6 to 8 mph becoming west in the evening.
Tuesday
Mostly sunny, with a high near 86. Breezy, with a south wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. Breezy, with a south wind 13 to 18 mph, with gusts as high as 24 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A chance of showers. Partly cloudy, with a low around 52.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
3:31 pm MDT May 23, 2026
5pm MDT May 23, 2026-6pm MDT May 30, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database